COGENT COMMUNICATIONS HLDGS

Ticker: CCOI CUSIP: 19239V302 Class: Common Stock

Zimmer Partners, LP's Holding History (CIK: 0001565854)

Note: Option positions (PUT/CALL) are excluded.

Q1 2021

Shares 162,500 Value ($000) $11,174 Avg Close $46.19 Range $42.45 - $53.35

Q4 2020

Shares 516,961 Value ($000) $30,950 Avg Close $44.21 Range $39.55 - $48.39

Q3 2020

Shares 547,124 Value ($000) $32,855 Avg Close $53.91 Range $43.66 - $66.92

Q2 2020

Shares 587,500 Value ($000) $45,449 Avg Close $59.24 Range $53.63 - $67.78

Q1 2020

Shares 314,172 Value ($000) $25,753 Avg Close $54.80 Range $46.85 - $63.38

Q4 2019

Shares 217,640 Value ($000) $14,323 Avg Close $43.44 Range $38.28 - $48.23

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	162,500	$11,174	$46.19	$42.45 - $53.35
Q4 2020	516,961	$30,950	$44.21	$39.55 - $48.39
Q3 2020	547,124	$32,855	$53.91	$43.66 - $66.92
Q2 2020	587,500	$45,449	$59.24	$53.63 - $67.78
Q1 2020	314,172	$25,753	$54.80	$46.85 - $63.38
Q4 2019	217,640	$14,323	$43.44	$38.28 - $48.23